the romney. it's defined as the three and a half hour window in which a grown man running for president can change his deeply held conviction to its opposite. >> jon stewart is reacting to mitt romney's changing position on the controversial blunt amendment that would have let employers and their insurance companies deny birth control and other health coverage on religious or moral grounds. it failed yesterday. still it was a chance for rick santorum to join stewart in piling on romney. >> my gut reaction would be you stand for the first amendment. you stand for freedom of religion. you stand for the first amendment rights. >> i'm joined by chief washington correspondent john horwood and also rich wolf. this is being played as a wedge issue, although you argue in your "new york times" piece that the candidates are concocting wedge issues. >> in the way the two parties are now, democrats are consistently liberal. republicans consistently conservative. there really aren't many clear philosophical d